Section 7 of the Registration of Title Act, 1964, is hereby amended- (a) by the substitution of the following section for subsection (1): "(1) There shall be- (a) an office (in this Act referred to as 'the central office') consisting of one or more than one constituent offices situated in the county borough of Dublin and in such other area or areas (if any) as the Minister for Justice, Equality and Law Reform may designate by order under subsection (5), and (b) an office (in this Act referred to